This item combines a simple design with functionality. The gentle pattern supports a comfortable sleep. Please enjoy a wonderful sleep. Double Size ● Easy to put in and take out! Full-open zipper ● With slits ● With 6 buttons to prevent the futon from slipping ■ Number of threads (approx.): 170 threads Outer fabric: 170 threads, Inner fabric: 170 threads * "Number of threads" refers to the total number of "warp threads" and "weft threads" per inch (2.54cm). The higher the number, the finer the yarn is used, resulting in a softer and finer fabric. Fabrics with 250 or more threads are called high-density fabrics. ■ Machine washable This is a sale of the duvet cover only. Please take your time to view the product details. If you have any questions, please feel free to contact us. ・If you need any changes, please comment before purchasing. ・The color may look slightly different on the screen than in person. ・To minimize the shipping size, we may open and repackage new, unused items before packing. ・Yu-packet Post shipping: You cannot specify the desired arrival date (If you would like to specify the desired arrival date and time, we can arrange Yamato shipping for an additional ¥500, please let us know before purchasing). ・We are also selling on other flea market sites, so it's first-come, first-served, and we will delete this listing when it sells out.